Home / 124,212.45-171,398.90-70,486.77

Finding the Fourth Proportional to 124,212.45, 171,398.90 and 70,486.77

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Solution

The fourth proportional to 124,212.45, 171,398.90 and 70,486.77 is: 97,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212.45 : 171,398.90 = 70,486.77 : x
  2. Step 2: Convert to fraction form
    124,212.45/171,398.90 = 70,486.77/x
  3. Step 3: Cross multiply
    124,212.45x = 171,398.90 × 70,486.77
  4. Step 4: Simplify right side
    124,212.45x = 12,081,354,490.12
  5. Step 5: Solve for x
    x = 12,081,354,490.12/124,212.45
  6. Step 6: Final answer
    x = 97,263.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.